Forging die for a part with internal, tapered grooves

Details Forging die for a part with internal, tapered grooves Forging die for a part with internal, tapered grooves

1981-10-01

1983-09-27

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

72358, 72359, 72361, B21D 4500

Patent

active

044061463

ABSTRACT:
A die for forging a part with internal, tapered grooves, for instance, such as a socket with a plurality of inner races used for a joint. The blank is formed into a given shape by a cylindrical projection provided in the upper die so as to compress the outer peripheral surface thereof, in cooperation with the liner-grooving dies, when the upper die is lowered. After the forging step, the locking pin inserted in the lower die is lowered so as to move the liner-grooving die toward the stamping axis so that the forged workpiece can be removed from the lower die easily and next ejected by the ejector pin.

REFERENCES:
patent: 3999417 (1976-12-01), Orain
patent: 4041755 (1977-08-01), Rut
patent: 4294101 (1981-10-01), Dreiner
patent: 4317356 (1982-05-01), Stell

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